In order to uninstall a possibly unwanted extension, please do the following:
- Click the menu button and choose Add-ons.
- Once the Add-on Manager has opened in a new tab, click the Extensions button on the left side of the window.
- You should now see a list of your installed extensions on the right side together with buttons on the right side of each extension.
- To remove an extension from Firefox, simply click the Remove button. You should see a message that informs you about the successful removal of the add-on.
- Note that some add-ons require a Firefox restart to be removed completely. To perform a Firefox restart after the add-on removal, click the Restart now link in the message.
You can find further information about uninstalling extensions in the following articles: